Fish ID

Archive for the 'Fish ID' Category

BLACKNOSE SHARK – Carcharhinus acronotus

Thursday, March 9th, 2006

Family Carcharhinidae, REQUIEM SHARKS
Description: distinctive dusky smudge at snout tip (more prominent in young); no dark tips on fins; pale olive-gray above, whitish below; 1st dorsal fin begins above rear corner of pectoral fin; no mid dorsal ridge; upper teeth very asymmetrical, those toward front coarsely serrated at base.
Size: to 1.5 m (5 ft.).
Where found: [...]

SANDBAR SHARK – Carcharhinus plumbeus

Thursday, March 9th, 2006

Family Carcharhinidae, REQUIEM SHARKS
Description: snout broadly rounded and short; first dorsal fin triangular and very high; poorly developed dermal ridge between dorsal fins; brown or gray in color with white underside; upper and lower teeth finely serrated.
Similar fish: dusky shark, Carcharhinus obscurus; bull shark, Carcharhinus leucas.
Where found: NEARSHORE fish typically found at depths ranging from [...]

ATLANTIC SHARPNOSE SHARK – Rhizoprionodon terraenovae

Thursday, March 9th, 2006

Family Carcharhinidae, REQUIEM SHARKS
Description: long and flattened snout; white trailing edge of pectoral; black-edged dorsal and caudal fins, especially when young; may have small whitish spots on sides; furrows in lips at the corners of the mouth; outer margin of teeth notched; second dorsal fin originates over middle of anal fin; brown to olivegray in [...]

SHORTFIN MAKO – Isurus oxyrinchus

Thursday, March 9th, 2006

Family Lamnidae, MACKEREL SHARKS
Description: lunate tail with similarly sized lobes; lateral keel at the base of the tail; deep blue back and white underside; underside of sharply pointed snout white; origin of first dorsal entirely behind base of pectoral fins; second dorsal fin slightly in front of anal fin; slender, recurved teeth with smooth edges.
Similar [...]

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